This is the 8459th most frequent Russian word.
начинаются
"Begin" or "start" (used for plural subjects).
The word 'начинаются' here describes the start of a habitual or scheduled action, emphasizing the point in time when an event commences.
Утренние занятия начинаются в восемь часов.
Morning classes start at eight o'clock.
'Начинаются' is used to signify the onset of an emotional or abstract occurrence, indicating the initiation without a direct agent causing it.
Каждый раз, когда мы собираемся, начинаются воспоминания о прошлом.
Every time we gather, memories of the past begin.
In this sentence, 'начинаются' refers to the scheduled beginning of an event, implying a fixed or expected timeframe for the start.